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[SPARK-31010][SQL][FOLLOW-UP] Deprecate untyped scala UDF #27794

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[SPARK-31010][SQL][FOLLOW-UP] Deprecate untyped scala UDF #27794

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8c2c313
deprecate
Ngone51 Mar 4, 2020
95ad5e1
address comment
Ngone51 Mar 5, 2020
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2 changes: 2 additions & 0 deletions sql/core/src/main/scala/org/apache/spark/sql/functions.scala
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Expand Up @@ -4732,6 +4732,8 @@ object functions {
* @group udf_funcs
* @since 2.0.0
*/
@deprecated("Untyped Scala UDF API is deprecated, please use typed Scala UDF API such as " +
"'def udf[RT: TypeTag](f: Function0[RT]): UserDefinedFunction' instead.", "3.0.0")
def udf(f: AnyRef, dataType: DataType): UserDefinedFunction = {
if (!SQLConf.get.getConf(SQLConf.LEGACY_ALLOW_UNTYPED_SCALA_UDF)) {
val errorMsg = "You're using untyped Scala UDF, which does not have the input type " +
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